| Antigen | Mouse IGFBP-7 (28-281aa) was expressed in Sf21 cells as human CD33-His tag at the n-terminus and purified (>95%, mol wt 35 kda). For Western blot +ve control (Cat # IGFBP73-C) is supplied in SDS-PAGE sample buffer (reduced). Load 10 ul/lane of IGFBP73-C for good visibility with rabbit antibody Cat # IGFBP73-M |